13281702 has 48 divisors (see below), whose sum is σ = 31650816. Its totient is φ = 3636000.

The previous prime is 13281701. The next prime is 13281727. The reversal of 13281702 is 20718231.

13281702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13281701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131452 + ... + 131552.

It is an arithmetic number, because the mean of its divisors is an integer number (659392).

Almost surely, 2^13281702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13281702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15825408).

13281702 is an abundant number, since it is smaller than the sum of its proper divisors (18369114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13281702 is a wasteful number, since it uses less digits than its factorization.

13281702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 13281702 is about 3644.4069476391. The cubic root of 13281702 is about 236.8197457930.

Adding to 13281702 its reverse (20718231), we get a palindrome (33999933).

Subtracting 13281702 from its reverse (20718231), we obtain a square (7436529 = 2727²).

The spelling of 13281702 in words is "thirteen million, two hundred eighty-one thousand, seven hundred two".